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composer/tests/Composer/Test/DependencyResolver/SolverTest.php

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PHP

<?php
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Composer\Test\DependencyResolver;
use Composer\Repository\ArrayRepository;
use Composer\Repository\PlatformRepository;
use Composer\Repository\ComposerRepository;
use Composer\DependencyResolver\DefaultPolicy;
use Composer\DependencyResolver\Pool;
use Composer\DependencyResolver\Request;
use Composer\DependencyResolver\Solver;
use Composer\Package\MemoryPackage;
use Composer\Package\Link;
use Composer\Package\LinkConstraint\VersionConstraint;
class SolverTest extends \PHPUnit_Framework_TestCase
{
protected $pool;
protected $repo;
protected $repoInstalled;
protected $request;
protected $policy;
public function setUp()
{
$this->pool = new Pool;
$this->repo = new ArrayRepository;
$this->repoInstalled = new ArrayRepository;
$this->request = new Request($this->pool);
$this->policy = new DefaultPolicy;
$this->solver = new Solver($this->policy, $this->pool, $this->repoInstalled);
}
public function testSolverInstallSingle()
{
$this->repo->addPackage($packageA = new MemoryPackage('A', '1.0'));
$this->reposComplete();
$this->request->install('A');
$this->checkSolverResult(array(
array('job' => 'install', 'package' => $packageA),
));
}
public function testSolverInstallWithDeps()
{
$this->repo->addPackage($packageA = new MemoryPackage('A', '1.0'));
$this->repo->addPackage($packageB = new MemoryPackage('B', '1.0'));
$this->repo->addPackage($newPackageB = new MemoryPackage('B', '1.1'));
$packageA->setRequires(array(new Link('A', 'B', new VersionConstraint('<', '1.1'), 'requires')));
$this->reposComplete();
$this->request->install('A');
$this->checkSolverResult(array(
array('job' => 'install', 'package' => $packageB),
array('job' => 'install', 'package' => $packageA),
));
}
public function testSolverInstallInstalled()
{
$this->repoInstalled->addPackage(new MemoryPackage('A', '1.0'));
$this->reposComplete();
$this->request->install('A');
$this->checkSolverResult(array());
}
public function testSolverInstallInstalledWithAlternative()
{
$this->repo->addPackage(new MemoryPackage('A', '1.0'));
$this->repoInstalled->addPackage(new MemoryPackage('A', '1.0'));
$this->reposComplete();
$this->request->install('A');
$this->checkSolverResult(array());
}
public function testSolverRemoveSingle()
{
$this->repoInstalled->addPackage($packageA = new MemoryPackage('A', '1.0'));
$this->reposComplete();
$this->request->remove('A');
$this->checkSolverResult(array(
array('job' => 'remove', 'package' => $packageA),
));
}
public function testSolverRemoveUninstalled()
{
$this->repo->addPackage(new MemoryPackage('A', '1.0'));
$this->reposComplete();
$this->request->remove('A');
$this->checkSolverResult(array());
}
public function testSolverUpdateSingle()
{
$this->repoInstalled->addPackage($packageA = new MemoryPackage('A', '1.0'));
$this->repo->addPackage($newPackageA = new MemoryPackage('A', '1.1'));
$this->reposComplete();
$this->request->update('A');
$this->checkSolverResult(array(
array('job' => 'update', 'from' => $packageA, 'to' => $newPackageA),
));
}
public function testSolverUpdateCurrent()
{
$this->repoInstalled->addPackage(new MemoryPackage('A', '1.0'));
$this->repo->addPackage(new MemoryPackage('A', '1.0'));
$this->reposComplete();
$this->request->update('A');
$this->checkSolverResult(array());
}
public function testSolverAllJobs()
{
$this->repoInstalled->addPackage($packageD = new MemoryPackage('D', '1.0'));
$this->repoInstalled->addPackage($oldPackageC = new MemoryPackage('C', '1.0'));
$this->repo->addPackage($packageA = new MemoryPackage('A', '2.0'));
$this->repo->addPackage($packageB = new MemoryPackage('B', '1.0'));
$this->repo->addPackage($newPackageB = new MemoryPackage('B', '1.1'));
$this->repo->addPackage($packageC = new MemoryPackage('C', '1.1'));
$this->repo->addPackage(new MemoryPackage('D', '1.0'));
$packageA->setRequires(array(new Link('A', 'B', new VersionConstraint('<', '1.1'), 'requires')));
$this->reposComplete();
$this->request->install('A');
$this->request->update('C');
$this->request->remove('D');
$this->checkSolverResult(array(
array('job' => 'update', 'from' => $oldPackageC, 'to' => $packageC),
array('job' => 'install', 'package' => $packageB),
array('job' => 'remove', 'package' => $packageD),
array('job' => 'install', 'package' => $packageA),
));
}
public function testSolverThreeAlternativeRequireAndConflict()
{
$this->repo->addPackage($packageA = new MemoryPackage('A', '2.0'));
$this->repo->addPackage($middlePackageB = new MemoryPackage('B', '1.0'));
$this->repo->addPackage($newPackageB = new MemoryPackage('B', '1.1'));
$this->repo->addPackage($oldPackageB = new MemoryPackage('B', '0.9'));
$packageA->setRequires(array(new Link('A', 'B', new VersionConstraint('<', '1.1'), 'requires')));
$packageA->setConflicts(array(new Link('A', 'B', new VersionConstraint('<', '1.0'), 'conflicts')));
$this->reposComplete();
$this->request->install('A');
$this->checkSolverResult(array(
array('job' => 'install', 'package' => $middlePackageB),
array('job' => 'install', 'package' => $packageA),
));
}
public function testSolverObsolete()
{
$this->repoInstalled->addPackage($packageA = new MemoryPackage('A', '1.0'));
$this->repo->addPackage($packageB = new MemoryPackage('B', '1.0'));
$packageB->setReplaces(array(new Link('B', 'A', null)));
$this->reposComplete();
$this->request->install('B');
$this->checkSolverResult(array(
array('job' => 'update', 'from' => $packageA, 'to' => $packageB),
));
}
public function testInstallOneOfTwoAlternatives()
{
$this->repo->addPackage($packageA = new MemoryPackage('A', '1.0'));
$this->repo->addPackage($packageB = new MemoryPackage('A', '1.0'));
$this->reposComplete();
$this->request->install('A');
$this->checkSolverResult(array(
array('job' => 'install', 'package' => $packageA),
));
}
public function testInstallProvider()
{
$this->repo->addPackage($packageA = new MemoryPackage('A', '1.0'));
$this->repo->addPackage($packageQ = new MemoryPackage('Q', '1.0'));
$this->repo->addPackage($packageB = new MemoryPackage('B', '0.8'));
$packageA->setRequires(array(new Link('A', 'B', new VersionConstraint('>=', '1.0'), 'requires')));
$packageQ->setProvides(array(new Link('Q', 'B', new VersionConstraint('=', '1.0'), 'provides')));
$this->reposComplete();
$this->request->install('A');
$this->checkSolverResult(array(
array('job' => 'install', 'package' => $packageQ),
array('job' => 'install', 'package' => $packageA),
));
}
public function testInstallCircularRequire()
{
$this->repo->addPackage($packageA = new MemoryPackage('A', '1.0'));
$this->repo->addPackage($packageB1 = new MemoryPackage('B', '0.9'));
$this->repo->addPackage($packageB2 = new MemoryPackage('B', '1.1'));
$packageA->setRequires(array(new Link('A', 'B', new VersionConstraint('>=', '1.0'), 'requires')));
$packageB2->setRequires(array(new Link('B', 'A', new VersionConstraint('>=', '1.0'), 'requires')));
$this->reposComplete();
$this->request->install('A');
$this->checkSolverResult(array(
array('job' => 'install', 'package' => $packageB2),
array('job' => 'install', 'package' => $packageA),
));
}
public function testInstallAlternativeWithCircularRequire()
{
$this->markTestIncomplete();
$this->repo->addPackage($packageA = new MemoryPackage('A', '1.0'));
$this->repo->addPackage($packageB = new MemoryPackage('B', '1.0'));
$this->repo->addPackage($packageC = new MemoryPackage('C', '1.0'));
$this->repo->addPackage($packageD = new MemoryPackage('D', '1.0'));
$packageA->setRequires(array(new Link('A', 'B', new VersionConstraint('>=', '1.0'), 'requires')));
$packageB->setRequires(array(new Link('B', 'Virtual', new VersionConstraint('>=', '1.0'), 'requires')));
$packageC->setRequires(array(new Link('C', 'Virtual', new VersionConstraint('==', '1.0'), 'provides')));
$packageD->setRequires(array(new Link('D', 'Virtual', new VersionConstraint('==', '1.0'), 'provides')));
$this->reposComplete();
$this->request->install('A');
$this->checkSolverResult(array(
array('job' => 'install', 'package' => $packageC),
array('job' => 'install', 'package' => $packageB),
array('job' => 'install', 'package' => $packageA),
));
}
protected function reposComplete()
{
$this->pool->addRepository($this->repoInstalled);
$this->pool->addRepository($this->repo);
}
protected function checkSolverResult(array $expected)
{
$transaction = $this->solver->solve($this->request);
$result = array();
foreach ($transaction as $operation) {
if ('update' === $operation->getJobType()) {
$result[] = array(
'job' => 'update',
'from' => $operation->getInitialPackage(),
'to' => $operation->getTargetPackage()
);
} else {
$job = ('uninstall' === $operation->getJobType() ? 'remove' : 'install');
$result[] = array(
'job' => $job,
'package' => $operation->getPackage()
);
}
}
$this->assertEquals($expected, $result);
}
}